William J. Perry, former U.S. Secretary of Defense and nuclear policy expert, and his granddaughter Lisa Perry, communications director for the William J. Perry Project, dive into the chilling realities of nuclear threats. They analyze pivotal moments like Hiroshima and the Cuban Missile Crisis, emphasizing the urgent need for public awareness and disarmament. The conversation also covers complexities like accidental nuclear war, nuclear terrorism, and the psychological barriers that hinder effective policy action. Together, they advocate for education and global cooperation to address these existential risks.